From patchwork Mon Apr 15 17:49:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonathan Cameron X-Patchwork-Id: 10901325 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 729041823 for ; Mon, 15 Apr 2019 17:50:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 56B1528802 for ; Mon, 15 Apr 2019 17:50:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4B0F2288B3; Mon, 15 Apr 2019 17:50:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9DC9628802 for ; Mon, 15 Apr 2019 17:50:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Z9zGrxUDB3rI2hFazUTj7AJWnR/6YwdX8L4COyuSCxk=; b=tqqTb2QYY6XtK6 R4W1/EN9r1Nn8Q4/VSfDW6GUGHOZpzdT5J52R34LaUq1kTLrx4O8za/SU6xk0FQz1qdTSb+BTZjJS 1xPMBmuXuEznbar1/Zxdlj4Ts3A11V//CcRvLsaCzcQSWVqYbXxjBqXKtvggwy8U/Ibr+DZ1cmSUI pH4AED/Tyyd8J/mLng4LyKdFTj25ia16YXCT6eI13/n1GGM1ocPKTO6la/+rOE15BfQAc3FCnn1VT BEzGF1C7bt0oDUU0FjC6EWAW27SUeuvWtrU62h3Dad4Ivpf7IharZuJCFssXwfyHs7iyTMCSmJ1tk 3oHyC/qia+/SZo8utkaQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hG5km-0001QN-NH; Mon, 15 Apr 2019 17:50:48 +0000 Received: from szxga06-in.huawei.com ([45.249.212.32] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hG5ju-0007jr-5E for linux-arm-kernel@lists.infradead.org; Mon, 15 Apr 2019 17:49:58 +0000 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 02E473ED7A4E7FCD7631; Tue, 16 Apr 2019 01:49:52 +0800 (CST) Received: from FRA1000014316.huawei.com (100.126.230.97) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.408.0; Tue, 16 Apr 2019 01:49:42 +0800 From: Jonathan Cameron To: , , , Subject: [PATCH 4/4 V3] ACPI: Let ACPI know we support Generic Initiator Affinity Structures Date: Tue, 16 Apr 2019 01:49:07 +0800 Message-ID: <20190415174907.102307-5-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190415174907.102307-1-Jonathan.Cameron@huawei.com> References: <20190415174907.102307-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 X-Originating-IP: [100.126.230.97] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190415_104954_848355_D921E732 X-CRM114-Status: GOOD ( 10.93 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Rafael J . Wysocki" , linuxarm@huawei.com, Keith Busch , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , Jonathan Cameron , Andrew Morton Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Until we tell ACPI that we support generic initiators, it will have to operate in fall back domain mode and all _PXM entries should be on existing non GI domains. This patch sets the relevant OSC bit to make that happen. Note that this currently doesn't take into account whether we have the relevant setup code for a given architecture. Do we want to make this optional, or should the initial patch set just enable it for all ACPI supporting architectures? Signed-off-by: Jonathan Cameron --- drivers/acpi/bus.c | 1 + include/linux/acpi.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index eec263c9019e..ef251f454a5b 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -315,6 +315,7 @@ static void acpi_bus_osc_support(void) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT; + capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_GENERIC_INITIATOR_SUPPORT; #ifdef CONFIG_X86 if (boot_cpu_has(X86_FEATURE_HWP)) { diff --git a/include/linux/acpi.h b/include/linux/acpi.h index d5dcebd7aad3..cc68b2ad0630 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -503,6 +503,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); #define OSC_SB_PCLPI_SUPPORT 0x00000080 #define OSC_SB_OSLPI_SUPPORT 0x00000100 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 +#define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 extern bool osc_sb_apei_support_acked; extern bool osc_pc_lpi_support_confirmed;